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Research papers, University of Canterbury Library

This survey was established by the University of Canterbury (UC) to assist the Marlborough community in recording and understanding the level and types of recreational beach uses that are occurring at present on the earthquake-affected coast. The questions were designed to capture a comprehensive view of recreational activities and interests and allowed for any activity, view or perspective to be recorded. All responses were anonymous and no identifying information was collected. The survey used an online format open to all interested people 18+ years of age (for informed consent reasons) over a two month period (October – November 2020). The geographic focus of the survey was the coastline between Marfells Beach and the Waima / Ure River which is the area under currently under consideration by Marlborough District Council for development of a new bylaw. However, the design of the survey questions also allowed respondents to record information pertaining to any other area.

Articles, Christchurch uncovered

The chilly weather in Christchurch of late has many of us dreaming of glistening seas, white sand beaches and pina coladas. A while ago, “winter is coming” gags were being fired about among the many Game of Thrones fans, and … Continue reading →

Images, UC QuakeStudies

A van partially submerged in liquefaction. The photographer comments, "A van that unluckily drove into a hole caused by the terrible liquefaction on Beach Road, North New Brighton during the Christchurch earthquake".

Images, Alexander Turnbull Library

Shows a happy crowd playing in the sea and sand in the Christchurch Square. Bishop Victoria Matthews is seen balancing on the Wizard of Christchurch who has turned himself into a surfboard. Context: refers to a proposal by Bishop of Christchurch Victoria Matthews that the earthquake-damaged Square could be made "welcoming and engaging" again by transforming it into an artificial beach with large movie screens. Quantity: 1 digital cartoon(s).

Audio, Radio New Zealand

As if the crumbling ceilings, broken sewage pipes and torn up roads weren't enough for the people of North Christchurch to deal with, now there's a new problem that may be caused by the September earthquake: Mosquitoes. Pines Beach and Kairaki residents say black clouds of mosquitoes are descending on them at dusk and dawn.

Audio, Radio New Zealand

The Tiwai Point Aluminium Smelter has stockpiled a thousand tonnes of hazardous waste near an eroding beach, A court ruling finds inmates at Auckland Women's Prison were treated in a cruel and degrading manner,We speak to some of those affected by the devastating earthquake that struck Christchurch ten years ago today.

Images, UC QuakeStudies

Liquefaction silt and sand cover the lawn of a residential property. The photographer comments, "This is a garden inundated with liquefaction. Though most liquefaction is grey in Christchurch there must have been golden sandy beaches before the volcanoes erupted millions of years ago".

Articles, UC QuakeStudies

Photograph captioned, "Dallington used to be the most popular suburb in New Zealand to live in. And that makes sense, because it's halfway between the beach and the city. It's close enough to town but far enough away, as well. There were good schools in the area. The mall was close. It's got the river and the tree lined sections, everything. It was special all right".

Research papers, Lincoln University

Prognostic modelling provides an efficient means to analyse the coastal environment and provide effective knowledge for long term urban planning. This paper outlines how the use of SWAN and Xbeach numerical models within the ESRI ArcGIS interface can simulate geomorphological evolution through hydrodynamic forcing for the Greater Christchurch coastal environment. This research followed the data integration techniques of Silva and Taborda (2012) and utilises their beach morphological modelling tool (BeachMM tool). The statutory requirements outlined in the New Zealand Coastal Policy Statement 2010 were examined to determine whether these requirements are currently being complied with when applying the recent sea level rise predictions by the Intergovernmental Panel on Climate Change (2013), and it would appear that it does not meet those requirements. This is because coastal hazard risk has not been thoroughly quantified by the installation of the Canterbury Earthquake Recovery Authority (CERA) residential red zone. However, the Christchurch City Council’s (CCC) flood management area does provide an extent to which managed coastal retreat is a real option. This research assessed the effectiveness of the prognostic models, forecasted a coastline for 100 years from now, and simulated the physical effects of extreme events such as storm surge given these future predictions. The results of this research suggest that progradation will continue to occur along the Christchurch foreshore due to the net sediment flux retaining an onshore direction and the current hydrodynamic activity not being strong enough to move sediment offshore. However, inundation during periods of storm surge poses a risk to human habitation on low lying areas around the Avon-Heathcote Estuary and the Brooklands lagoon similar to the CCC’s flood management area. There are complex interactions at the Waimakariri River mouth with very high rates of accretion and erosion within a small spatial scale due to the river discharge. There is domination of the marine environment over the river system determined by the lack of generation of a distinct river delta, and river channel has not formed within the intertidal zone clearly. The Avon-Heathcote ebb tidal delta aggrades on the innner fan and erodes on the outer fan due to wave domination. The BeachMM tool facilitates the role of spatial and temporal analysis effectively and the efficiency of that performance is determined by the computational operating system.

Images, eqnz.chch.2010

Cliff Face Above Sumner Beach (10.03.2011) Sumner Christchurch Canterbury New Zealand © 2011 Phil Le Cren Photo Taken With: Canon EOS 1000D + Canon EF/EF-S lenses + 10.1 effective megapixels + 2.5-inch TFT color LCD monitor + Eye-level pentamirror SLR + Live View shooting. + EOS Built-in Sensor cleaning system + Wid...

Audio, Radio New Zealand

Sam Harvey says that holding on to grace is one of the things that keeps him striving towards his calling to help others. He's a young pastor of the Beach Campus of Grace Vineyard Church in Christchurch, and moved to the city on the eve of the first earthquake. Sonia Sly finds out what it takes to adhere to the faith during difficult times, and candidly asks about God's voice, New Zealand's attitude to Christianity, and the process of healing through exorcism.

Images, UC QuakeStudies

A large chess board made from sand and broken shells, with a painted beach scene on the wall behind. The photographer comments, "After all the suggestions put on the wall on what to do in this area, which was once an earthquake damaged shop, they have made the chess board, painted a seaside scene on the wall and created a small wall of tyres".

Research papers, University of Canterbury Library

Welcome to the Recover newsletter Issue 6 from the Marine Ecology Research Group (MERG) of the University of Canterbury. Recover is designed to keep you updated on our MBIE-funded earthquake recovery project called RECOVER (Reef Ecology, Coastal Values & Earthquake Recovery). This 6th instalment features the ‘new land’ created by the earthquake uplift of the coastline, recreational uses of beaches in Marlborough, and pāua survey work and hatchery projects with our partners in Kaikōura

Research papers, University of Canterbury Library

The University of Canterbury’s RECOVER project (Reef Ecology and Coastal Values, Earthquake Recovery) is a research programme funded by the Ministry of Business, Innovation and Employment (MBIE), and supported by the Ministry of Primary Industries (MPI). It has been evaluating recovery from the 7.8 Mw Kaikōura earthquake in the coastal environment between Oaro in the south and Marfells Beach in the north. The project has documented a wide range of biological and physical impacts in the coastal environment over the past four years. These include the widespread mortality of habitat-forming species that support characteristic ecosystems and natural resources on the coast (Alestra et al. 2021; Schiel et al. 2019; Tait et al. 2021). Due to the popularity of the coast for recreational use, interactions between people and the recovering environment are an important influence on recovery processes. These interactions may include threats to the natural environment but also the potential for positive interventions that could help to restore natural ecosystems and resources – including those that have been degraded in the past. Physical effects of uplift at the coastline include the seaward movement of shorelines and creation of new land above the reach of the tide, leading to a widening of beaches (Orchard et al. 2020; Orchard et al. in press). This has also provided a greater opportunity for off-road vehicle access to sections of the coast previously protected by headlands that were impassable at high tide (Marlborough District Council 2019; Orchard 2020). MDC management responses have included the development of a proposed bylaw to reduce the impacts of motor vehicle use in the area (Marlborough District Council 2021). Changes in the position of the sea-level on the landscape also affect the location of characteristic ecosystems such as sand dunes and storm beaches as they recover to a new norm. Notable changes include the establishment of new dunes closer to the sea which could potentially lead to the degradation of old dune systems that may experience reduced sand supply as a result. Wildlife habitat has also been affected by these uplift and re-assembly effects although the specific impacts remain largely unknown. This report contributes to a collaborative project between the Marlborough District Council (MDC) and University of Canterbury (UC) which aims to help protect and promote the recovery of native dune systems on the Marlborough coast. It is centred around the mapping of dune vegetation and identification of dune protection zones for old-growth seed sources of the native sand-binders spinifex (Spinifex sericeus) and pīngao (Ficinia spiralis). Both are key habitat-formers associated with nationally threatened dune ecosystems (Holdaway et al. 2012), and pīngao is an important weaving resource and Ngāi Tahu taonga species. The primary goal is to protect existing seed sources that are vital for natural regeneration following major disturbances such as the earthquake event. Several additional protection zones are also identified for areas where new dunes are successfully regenerating, including areas being actively restored in the Beach Aid project that is assisting new native dunes to become established where there is available space.